Chicago police Superintendent Eddie Johnson, middle, and First Deputy Superintendent John Escalante, far left, walk with investigators after a bank robbery suspect was shot and killed by police on May 9, 2016, in the 4900 block of South Karlov Avenue.

Chicago police Superintendent Eddie Johnson, middle, and First Deputy Superintendent John Escalante, far left, walk with investigators after a bank robbery suspect was shot and killed by police on May 9, 2016, in the 4900 block of South Karlov Avenue.